- name: coreos.kube-controller-manager
  rules:
  - alert: K8SControllerManagerTargetDown
    expr: absent(up{job="kube-controller-manager"} == 1)
    for: 5m
    labels:
      severity_level: "3"
    annotations:
      plk_protocol_version: "1"
      description: There is no running kube-controller-manager. Deployments and replication
        controllers are not making progress.
      runbook: https://coreos.com/tectonic/docs/latest/troubleshooting/controller-recovery.html#recovering-a-controller-manager
      summary: Controller manager is down
